<glossdef>The <glossdef> element specifies
the definition of one sense of a term. If a term has multiple senses,
create a separate <glossentry> topic to define
each sense.
See appendix for information about this element in OASIS document type shells.
- topic/abstract concept/abstract glossentry/glossdef
See the example in <glossentry>.
The following attributes are available on
this element: Universal attribute group
(without the Metadata attribute group), @base from
the Metadata attribute group,
and outputclass.